描述
然后就可以利用一个简单的公式计算信号的最大“实际”频率成分。HowardW.Johnson博士就此题目写过一本书《高速数字设计》。在书中,他将这一频率成分称为“拐点”频率(fknee)。所有快速边沿的频谱中都包含无限多的频率成分,但其中有一个拐点(或称“knee”),高于该频率的频率成分对于确定信号的形状就无关紧要了。
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据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
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